SPOILERS AHEAD! BE WARNED!
Your current position isn't marked on your charts. It was once, but someone put out a cigar on it. The strange thing is, they did it on all three maps of the area.
Unlocked with Troubled Waters 7, Zailing 60
Card drawn in Zailing the Unterzee
Occurs with Infrequent Frequency (80% as common as Standard)
A matter of luck: It could go either way (success chance: 50%)
A deeper song
All gone forever
Wiki note: Reduction in Zailing... is odd and at odds with the "has been reset!" message. Observed reduction from 75 to 15 which might be reduction by 4/5ths of total, or 4/5ths of Zailing Speed, or […]
2 x Partial Map